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The characteristics of four mainstream protocols including Ethernet/IP, Profinet, EtherCAT and Ethernet Powerlink in industrial field network are analyzed respectively in the paper. According to the different requirements of the on-site production line level control system and the internal network of the automation equipment, it is significant to adopt the appropriate network protocol. In the on-site...
With the development of information technology, the network connection of industrial control system (ICS) and information technology (IT) is becoming more and more closely. What's more, the security issues of traditional IT systems in industrial control system are also more prominent. Early industrial control system mainly uses physical isolation approach to protect security. In this paper, we review...
This article deals with a case study of application of wireless sensor networks for control of emergency situations in an automated manufacturing. The control design approach of manufacture, which is using as self-energy production solutions and municipal utility services, is discussed. The correlation of manufacturing processes with emergency situations in critical infrastructure is taken in the...
A proper control of a system to get a desired function and increase the system lifetime is a crucial step towards the sustainable paradigm. In this paper, such a control is designed for a cyclic pallet system to achieve a minimal force on its drive unit, meet safety conditions on the system chain tension force and the momentum of pallets, and fulfill the desired production rate. The optimal values...
This article deals with case study of embedded system development for emergency situations in automated manufacturing. The design of embedded control approach of fully autonomous system is discussed and tested. The automated control approach of wooden briquettes production line is designed, using 600 kPa pneumatic control system and Mitsubishi Alpha controller. Production line automation possibilities...
Refining units are easy to be flammable and explosive. There will be great security risk in applying advanced process control (APC) system online in refining units. The method of HSE management, which emphasizes hazard analysis and risk control, will greatly decrease the possibility of the risk of the APC project. Experiences in previous APC projects and HSE management method are summarized in this...
On the basis of present domestic and international safety production indicator systems, combined with practical work of work safety supervision in Beijing, we put forward constructive principle, framing and primary substance of work safety statistical indicator system, define more than 200 statistical indicators in 9 contents. Establish information system of Beijing work safety indicator system and...
Modern mine production has brought unprecedented demands on the safety, high yield, and high efficiency, which means to realize the integration management control of decision making, production process management, and process control on the basis of the production mode on spot adopts automation equipment. The aim of establishing integrated management control information system of mine production and...
The coal enterprise behavior safety integrated management and control system is the integrated management and control information system which takes the behavior safety as the core and aims to guide safe behavior and realize coal safety supervision. In this article, we describe the theoretical base of the system design, i.e. the theoretical frame of the accident prevention and control for coal enterprises...
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